
.biaodan{
    width: 600px;
    height: 444px;
    margin: 56px auto 0;
    background-color: rgba(0,0,0,0.2);
    box-sizing: border-box;
    box-shadow: 0,0,50px,50px rgba(0,0,0,0.4);
}
.biaodan li{
    list-style: none;
}
.biaodan label:nth-child(1){
    width: 60px;
    height: 35px;
    line-height: 35px;
    display: inline-block;
    text-align: center;
    font-size: 15px;
}
.biaodan input{
    color: white;
    background-color: rgba(0,0,0,0.4);
    border: 0.5px solid rgba(0,0,0,0.4);
    width: 400px;
    height: 20px;
    margin-left: 10px;
    letter-spacing: 10px;
    font-size: 20px;
    padding: 10px;
    opacity: 10%;
}
.biaodan label:nth-child(2){
    width: 60px;
    height: 35px;
    line-height: 35px;
    display: inline-block;
    text-align: right;
    font-size: 15px;
    margin-top: 10px;
}
.biaodan textarea{
    color: white;
    background-color: rgba(0,0,0,0.4);
    border: 0.5px solid rgba(0,0,0,0.4);
    position: absolute;
    width: 400px;
    height: 200px;
    left: 453px;
    font-size: 15px;
    letter-spacing: 10px;
    padding: 10px;
}
.bg img{
    width: 100%;
    height: 100%;
    z-index: -999;
    position: fixed;
    margin: -514px auto
}
.biaodan a:nth-child(1){
    color: white;
    line-height:30px;
    text-align: center;
    background-color: white;
    display:inline-block;
    width: 100px;
    height: 30px;
    position: absolute;
    bottom: 125px;
    left: 394px;
    background-color: rgb(0,133,255);
    border-radius: 8px;
}
.biaodan a:nth-child(2){
    line-height:30px;
    margin: 2px 5px;
    text-align: center;
    background-color: white;
    position: absolute;
    bottom: 125px;
    right: 394px;
    display:inline-block;
    width: 100px;
    height: 30px;
    background-color: rgb(73,159,174);
    color: white;   
    border-radius: 8px;
}
